thulium

T1H4U1L1I1U1M3
/ˈθjuːliəm//ˈθuːliəm/

noun

A metallic chemical element (symbol Tm) with atomic number 69: a fairly soft, easily workable metal with a bright silvery-gray lustre.

Similar
Tmatomic number 69
UncommonScrabble 12
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Meanings

nounthulium (uncountable)
  1. uncountablechemistryA metallic chemical element (symbol Tm) with atomic number 69: a fairly soft, easily workable metal with a bright silvery-gray lustre.
    1. countablechemistryAn atom of this element.

Synonyms & antonyms

nouna soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime

Similar
Tmatomic number 69
Broader
metallic elementmetal
Also see
tm

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From Thule (a poetic name for Scandinavia) + -ium.

Full word history & related roots →

Translations

Afrikaans tulium
  • tuliumchemical element
Arabic ثُولِيُوم, تُولِيُوم
  • ثُولِيُوم (ṯūliyūm)chemical element
  • تُولِيُوم (tūliyūm)chemical element
Basque tulioa
  • tulioachemical element
Bulgarian ту́лий
  • ту́лий (túlij)chemical element
Catalan tuli
  • tulichemical element
Chinese Mandarin 銩 /铥
  • 銩 /铥 (diū)chemical element
Czech thulium
  • thuliumchemical element
Danish thulium
  • thuliumchemical element
Dutch thulium
  • thuliumchemical element
Esperanto tulio
  • tuliochemical element
Estonian tuulium
  • tuuliumchemical element
Finnish tulium
  • tuliumchemical element
French thulium
  • thuliumchemical element
German Thulium
  • Thuliumchemical element
Greek θούλιο
  • θούλιο (thoúlio)chemical element
Hebrew תוליום
  • תוליום (túlyum)chemical element
Hindi व्याहरिला
  • व्याहरिला (vyāhrilā)chemical element
Hungarian túlium
  • túliumchemical element
Icelandic túlín
  • túlínchemical element
Indonesian thulium
  • thuliumchemical element
Irish túiliam
  • túiliamchemical element
Italian tulio
  • tuliochemical element
Japanese ツリウム
  • ツリウム (tsuriumu)chemical element
Korean 툴륨
  • 툴륨 (tullyum)chemical element
Latin thulium
  • thuliumchemical element
Latvian tūlijs
  • tūlijschemical element
Lithuanian tulis
  • tulischemical element
Malay tulium
  • tuliumchemical element
Norwegian thulium
  • thuliumchemical element
Polish tul
  • tulchemical element
Portuguese túlio
  • túliochemical element
Romanian tuliu
  • tuliuchemical element
Russian ту́лий
  • ту́лий (túlij)chemical element
Scottish Gaelic tùiliam
  • tùiliamchemical element
Slovak túlium
  • túliumchemical element
Spanish tulio
  • tuliochemical element
Swedish tulium
  • tuliumchemical element
Tamil துலியம்
  • துலியம் (tuliyam)chemical element
Thai ทูเลียม
  • ทูเลียม (tuu-lîiam)chemical element
Turkish tulyum
  • tulyumchemical element
Ukrainian ту́лій
  • ту́лій (túlij)chemical element
Vietnamese tuli
  • tulichemical element
Welsh thwliwm
  • thwliwmchemical element
Cite this entry
APA

thulium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thulium

MLA

“thulium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thulium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “thulium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thulium.

Source: thulium on Wiktionary, CC BY-SA 4.0.